Is there a list of which ones are vulnerable?

Element Call is in beta and works quite well. Jitsi was only used for group calls and Element Call is slowly replacing it.

15/70mm film to be exact. IMAX 15/70mm is different to standard 5/70mm you would get in a normal cinema.

He uses the camera negative as much as possible and avoids CGI as much as possible so a lot of film hasn’t been digitised and reprinted it’s from the actual source.

This might sound stupid but CDs. I buy CDs and rip them to FLAC to listen with Strawberry Music Player or Jellyfin.